NPPES file of Aug 9, 2026

Florence Gantner Zink, CNM, NP

Nurse Practitioner · San Francisco, CA

Florence Gantner Zink, CNM, NP is a nurse practitioner with a practice address in San Francisco, California, and NPI 1578874889, issued on Jul 1, 2010. Check the license (California 17646, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578874889
Name
Florence Gantner Zink
Credential
CNM, NP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
17646 CA
1789 CA
578282 CA
Self-reported in NPPES; status is on the state search
Practice location
One Daniel Burnham CT, San Francisco, CA 94109
Phone
(415) 202-1276
Enumerated
Jul 1, 2010
Record last updated
Feb 11, 2022
Fax
(415) 202-1282
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →

Also registered at One Daniel Burnham CT

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lesslie Schofferman, M.D.Internal Medicine Physician1356415095

Verify Florence Gantner Zink in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 17646    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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92% fewer Medicare Part D claims than the average nurse practitioner in 2024

94 Medicare Part D claims for 52 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Florence Zink94
  2. Specialty average1,109

Most prescribed

  1. Estradiol31 claims
  2. Climara19 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Florence Gantner Zink among 8,223 nurse practitioner records in California

Florence Gantner Zink, CNM, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 32% of them.

  • NPI issued2010 · 32% of these records are older, 66% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2022 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

All 8,223 in California → Every provider in San Francisco → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Anjali Asrani, NPSan Francisco, CA 941091184279770
  2. Sergio Azzolino, NPSan Francisco, CA 941091336307370
  3. Meghan Cadena, PMHNP-BCSan Francisco, CA 941091538463260
  4. Svetlana Gorbunova, NPSan Francisco, CA 941091730275710
  5. Karolina Harger, N.P.San Francisco, CA 941091538455605
  6. Jennifer Hurley, CNM, NP-CSan Francisco, CA 941091588183099
  7. Simranjit Khatra, NP-CSan Francisco, CA 941091922438456
  8. Jennifer Nathanson, MSN, NPSan Francisco, CA 941091972517118

Common questions

What is Florence Gantner Zink, CNM, NP's NPI number?

Florence Gantner Zink, CNM, NP's National Provider Identifier (NPI) is 1578874889, issued on Jul 1, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Florence Gantner Zink, CNM, NP located?

The NPPES record lists a practice address at One Daniel Burnham CT, San Francisco, CA, 94109. Phone: (415) 202-1276. Providers update this record themselves, so call before visiting.

How can I verify Florence Gantner Zink, CNM, NP's license?

NPPES lists California license number 17646, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Florence Gantner Zink, CNM, NP prescribe under Medicare Part D?

In 2024, Florence Gantner Zink, CNM, NP had 94 Medicare Part D claims for 52 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.